{"id":"CVE-2009-4151","aliases":["DSA-1944-1","EUVD-2009-4121","GHSA-pcr4-mc8q-h9h5"],"status":"published","title":"Session fixation vulnerability in html/Elements/SetupSessionCookie in Best Practical Solutions RT...","description":"Session fixation vulnerability in html/Elements/SetupSessionCookie in Best Practical Solutions RT 3.0.0 through 3.6.9 and 3.8.x through 3.8.5 allows remote attackers to hijack web sessions by setting the session identifier via a manipulation that leverages \"HTTP access to the RT server,\" a related issue to CVE-2009-3585.","severity":{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01838,"percentile":0.7911,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2009-12-02T16:00:00Z","modified":"2026-06-16T23:13:08Z","affected":[{"source":"osv","ecosystem":"Debian:4.0","package":"request-tracker3.6","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.1-4+etch1"}]}],"versions":["3.6.1-4"],"bundled":2},{"source":"osv","ecosystem":"Debian:4.0","package":"request-tracker3.4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.5-2+etch1"}]}],"versions":["3.4.5-2"],"bundled":2},{"source":"osv","ecosystem":"Debian:5.0","package":"request-tracker3.6","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.7-5+lenny3"}]}],"versions":["3.6.7-5","3.6.7-5+lenny1","3.6.7-5+lenny2"],"bundled":2}],"products":[{"vendor":"bestpractical","product":"rt"}],"references":[{"url":"http://lists.bestpractical.com/pipermail/rt-announce/2009-November/000177.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch"]},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00761.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"http://bestpractical.typepad.com/files/rt-3.6.2-3.6.3-session_fixation.v3.patch","tags":["x_refsource_CONFIRM","x_transferred","Patch"]},{"url":"http://secunia.com/advisories/37546","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://bestpractical.typepad.com/files/rt-3.6.4-3.6.9-session_fixation.v2.patch","tags":["x_refsource_CONFIRM","x_transferred","Patch"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/54472","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://lists.bestpractical.com/pipermail/rt-announce/2009-November/000176.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch"]},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00794.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"http://bestpractical.typepad.com/files/rt-3.0.0-session_fixation.v3.patch","tags":["x_refsource_CONFIRM","x_transferred","Patch"]},{"url":"http://bestpractical.typepad.com/files/rt-3.0.1-3.0.6-session_fixation.v3.patch","tags":["x_refsource_CONFIRM","x_transferred","Patch"]},{"url":"http://secunia.com/advisories/37728","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://bestpractical.typepad.com/files/rt-3.0.7-3.6.1-session_fixation.v3.patch","tags":["x_refsource_CONFIRM","x_transferred","Patch"]},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00832.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"http://blog.bestpractical.com/2009/11/session-fixation-vulnerability.html","tags":["x_refsource_CONFIRM","x_transferred","Patch"]},{"url":"http://bestpractical.typepad.com/files/rt-3.8-session_fixation.patch","tags":["x_refsource_CONFIRM","x_transferred","Patch"]},{"url":"http://www.securityfocus.com/bid/37162","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-4151"},{"url":"https://github.com/advisories/GHSA-pcr4-mc8q-h9h5"}],"sources":{"cve":[{"id":"CVE-2009-4151","description":"Session fixation vulnerability in html/Elements/SetupSessionCookie in Best Practical Solutions RT 3.0.0 through 3.6.9 and 3.8.x through 3.8.5 allows remote attackers to hijack web sessions by setting the session identifier via a manipulation that leverages \"HTTP access to the RT server,\" a related issue to CVE-2009-3585.","status":"published","published":"2009-12-02T16:00:00Z","modified":"2024-08-07T06:54:09.579Z","updated_at":"2026-11-02T14:33:24.782697Z"}],"euvd":[{"id":"EUVD-2009-4121","description":"Session fixation vulnerability in html/Elements/SetupSessionCookie in Best Practical Solutions RT 3.0.0 through 3.6.9 and 3.8.x through 3.8.5 allows remote attackers to hijack web sessions by setting the session identifier via a manipulation that leverages \"HTTP access to the RT server,\" a related issue to CVE-2009-3585.","status":"published","published":"2009-12-02T16:00:00Z","modified":"2024-08-07T06:54:09Z","updated_at":"2026-11-03T01:39:11.214145Z"}],"ghsa":[{"id":"GHSA-pcr4-mc8q-h9h5","title":"Session fixation vulnerability in html/Elements/SetupSessionCookie in Best Practical Solutions RT...","description":"Session fixation vulnerability in html/Elements/SetupSessionCookie in Best Practical Solutions RT 3.0.0 through 3.6.9 and 3.8.x through 3.8.5 allows remote attackers to hijack web sessions by setting the session identifier via a manipulation that leverages \"HTTP access to the RT server,\" a related issue to CVE-2009-3585.","status":"published","published":"2022-05-02T03:52:16Z","modified":"2023-01-31T05:08:08Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:49:20.355285Z"}],"nvd":[{"id":"CVE-2009-4151","description":"Session fixation vulnerability in html/Elements/SetupSessionCookie in Best Practical Solutions RT 3.0.0 through 3.6.9 and 3.8.x through 3.8.5 allows remote attackers to hijack web sessions by setting the session identifier via a manipulation that leverages \"HTTP access to the RT server,\" a related issue to CVE-2009-3585.","status":"published","published":"2009-12-02T16:30:00.67Z","modified":"2026-06-16T23:13:08.283Z","cvss":[{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:01:37.939838Z"}],"osv":[{"id":"DSA-1944-1","title":"request-tracker3.4 request-tracker3.6 - session hijack vulnerability","status":"published","published":"2009-12-03T00:00:00Z","modified":"2026-03-09T01:18:51.82603Z","updated_at":"2026-11-02T15:46:15.108335Z"}]}}